Wireless speaker



FIG. 1 is a front perspective view of a wireless speaker.

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a left side view thereof.

FIG. 5 is a right side view thereof.

FIG. 6 is a top view thereof.

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a front perspective view of a top portion of the wireless speaker of FIGS. 1-7 removed from the top of a bottom portion of the wireless speaker.

The broken lines depict environment that forms no part of the claimed design. 

CLAIM The ornamental design for a wireless speaker, as shown and described. 